package com.notary.util;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.*;

/**
 * @author
 */
public class HttpClientUtil {

    /**
     * 带参数get请求
     *
     * @param url
     * @param param
     * @return
     */
    public static String get(String url, Map<String, String> param) {

        // 创建Httpclient对象
        CloseableHttpClient httpclient = HttpClients.createDefault();
        String result = "";
        CloseableHttpResponse response = null;
        try {
            // 创建uri
            URIBuilder builder = new URIBuilder(url);
            if (param != null) {
                for (String key : param.keySet()) {
                    builder.addParameter(key, param.get(key));
                }
            }
            URI uri = builder.build();
            // 创建http GET请求
            HttpGet httpGet = new HttpGet(uri);
            // 执行请求
            response = httpclient.execute(httpGet);
            // 判断返回状态是否为200
            if (response.getStatusLine().getStatusCode() == 200) {
                result = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 带参数post请求
     *
     * @param url
     * @param param
     * @return
     */
    public static String post(String url, String token, Map<String, String> param) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        try {
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.setHeader("Authorization", token);
            // 创建参数列表
            if (param != null) {
                List<NameValuePair> paramList = new ArrayList<>();
                for (String key : param.keySet()) {
                    paramList.add(new BasicNameValuePair(key, param.get(key)));
                }
                // 模拟表单
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);
                httpPost.setEntity(entity);
            }
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }


    /**
     * 文件上传
     *
     * @param url
     * @param token
     * @param param
     * @param file
     * @return
     */
    public static String upload(String url, String token, Map<String, String> param, File file) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String result = "";
        HttpPost httpPost = new HttpPost(url);
        httpPost.setHeader("Authorization", token);
        MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
        multipartEntityBuilder.addPart("file", new FileBody(file));
        Set<String> keySet = param.keySet();
        for (String key : keySet) {
            multipartEntityBuilder.addPart(key, new StringBody(param.get(key), ContentType.create("text/plain", Consts.UTF_8)));
        }
        HttpEntity reqEntity = multipartEntityBuilder.build();
        httpPost.setEntity(reqEntity);
        try {
            response = httpClient.execute(httpPost);
            System.out.println("上传之后返回的状态码:" + response.getStatusLine().getStatusCode());
            try {
                HttpEntity resEntity = response.getEntity();
                result = EntityUtils.toString(response.getEntity(), "utf-8");
                EntityUtils.consume(reqEntity);
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                response.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }


    /**
     * 参数为json的post请求
     *
     * @param url
     * @param json
     * @return
     */
    public static String postJson(String url, String token, String json) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String result = "";
        try {
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.setHeader("Authorization", token);
            // 创建请求内容
            StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
            httpPost.setEntity(entity);
            // 执行http请求
            response = httpClient.execute(httpPost);
            result = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return result;
    }


    public static void main(String[] args) {
        //String url = "http://localhost:8081/data-center-test/organService/getNotaryInfo?submitNo=123456";
        String url = "http://localhost:8081/data-center-test/organService/zipUpload";
        String token = "Qi9kGRgDxEEcX5Jifntvgw==";
        Map<String, String> param = new HashMap<>();
        param.put("submitNo", "20200507204242");
        System.out.println(upload(url, token, param, new File("D:\\study\\ZIP3541367132249602.zip")));
    }
}